<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/update" method="post">
    这是删除的<br>
    id:<input type="text" name="id"><br>
    username:<input type="text" name="username"><br>
    password:<input type="text" name="password"><br>
    email:<input type="text" name="email"><br>

    <input type="submit" value="提交">
</form>

</body>
</html>